/proc/self/task/5
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
5 (node) S 2 2 0 0 -1 4194368 3 0 0 0 0 0 0 0 20 0 11 0 958 1793204224 29231 18446744073709551615 94498864627712 94498908538805 140726427882592 0 0 0 512 16781312 17922 1 0 0 -1 1 0 0 0 0 0 94498963992256 94498964861040 94499651551232 140726427891136 140726427891374 140726427891374 140726427893733 0